List of molecules in interstellar space
From Wikipedia, the free encyclopedia
This is a list of molecules that have been detected in the interstellar medium as of 2005. These molecules were detected by examining the spectra of interstellar clouds, proto-planetary disks, or cool stellar atmospheres.
Contents |
[edit] Diatomic
| Molecule | Designation |
|---|---|
| AlF | Aluminum monofluoride |
| AlCl | Aluminum monochloride |
| C2 | Carbon dimer |
| CN | Cyanogen radical |
| CO | Carbon monoxide |
| CO+ | Carbon monoxide cation |
| CP | Carbon monophosphide |
| CS | Carbon monosulfide |
| H2 | Molecular hydrogen |
| HC | Methylidyne radical |
| HC+ | Methylidyne cation |
| HCl | Hydrogen chloride |
| HF | Hydrogen fluoride |
| HN | Nitrogen monohydride |
| HO | Hydroxyl radical |
| HS | Sulfur hydride |
| KCl | Potassium chloride |
| N2 | Molecular nitrogen[1] |
| NO | Nitrogen monoxide |
| NS | Nitrogen sulfide |
| NaCl | Sodium chloride |
| PN | Phosphorus nitride |
| SO | Sulfur monoxide |
| SO+ | Sulfur monoxide cation |
| SiC | Carborundum |
| SiN | Silicon mononitride |
| SiO | Silicon monoxide |
| SiS | Silicon monosulfide |
[edit] Triatomic
| Molecule | Designation |
|---|---|
| AlNC | Aluminum isocyanide |
| C3 | Tricarbon |
| C2O | Dicarbon monoxide |
| C2S | Dicarbon monosulfide |
| CO2 | Carbon dioxide |
| COS | Carbonyl sulfide |
| H3+ | Protonated molecular hydrogen |
| H2C | Methylene |
| H2O | Water |
| H2S | Hydrogen sulfide |
| HC2 | Ethynyl radical |
| HCN | Hydrogen cyanide |
| HCO | Formyl radical |
| HCO+ | Formyl cation |
| HCS+ | Thioformyl cation |
| HDO | Monodeuterated water |
| H2N | Amino radical |
| HNC | Hydrogen isocyanide |
| HN2+ | Diazenylium |
| HNO | Nitrosyl hydride |
| HOC+ | Hydroxymethylidynium |
| MgCN | Magnesium cyanide |
| MgNC | Magnesium isocyanide |
| N2O | Nitrous oxide |
| NaCN | Sodium cyanide |
| SO2 | Sulfur dioxide |
| c-SiC2 | c-Silicon dicarbide |
| SiCN |
[edit] Four atoms
| Molecule | Designation |
|---|---|
| C3O | Tricarbon monoxide |
| C3S | Tricarbon sulfide |
| C2CN | Cyanoethynyl |
| H3N | Ammonia |
| H3O+ | Hydronium ion |
| H2C2 | Acetylene |
| H2CN+ | Protonated hydrogen cyanide |
| H2CN | Methylene imino radical |
| H2CO | Formaldehyde |
| H2CS | Thioformaldehyde |
| H2DC+ | |
| c-HC3 | c-propynlidyne |
| l-HC3 | l-propynlidyne |
| HCCN | |
| HCO2+ | Protonated carbon dioxide |
| HNCO | Isocyanic acid |
| HNCS | Isothiocyanic acid |
| SiC3 |
[edit] Five atoms
| Molecule | Designation |
|---|---|
| C5 | |
| C4N | |
| c-H2C3 | c-cyclopropenylidene |
| l-H2C3 | l-cyclopropenylidene |
| H2CCN | Cyanomethyl |
| H2C2O | Ketene |
| H2CNH | Methylenimine |
| H2CHC | |
| H2COH+ | Protonated formaldehyde |
| H2NCN | Hydrogen cyanamide |
| HC4 | Butadiynyl |
| HC3NC | |
| HC2CN | Cyanoacetylene |
| HCOOH | Formic acid |
| SiC4 | |
| SiH4 | Silane |
[edit] Six atoms
| Molecule | Designation |
|---|---|
| H4C2 | Ethylene |
| H3CCN | Acetonitrile |
| H3CNC | Methyl isonitrile |
| H3COH | Methanol |
| H3CSH | Methanethiol |
| l-H2C4 | |
| H2C2CN+ | Protonated cyanoacetylene |
| H2NCHO | Formamide |
| HC5 | Pentynylidyne |
| HC2CHO | Propynal |
| HC4N |
[edit] Seven atoms
| Molecule | Designation |
|---|---|
| c-H4C2O | Ethylene oxide |
| H3CC2H | Propyne |
| H3CNH2 | Methylamine |
| H2CHCCN | Acrylonitrile |
| H2CHCOH | Vinyl alcohol |
| HC6 | Hexatriynyl |
| HC6- | |
| HC4CN | Cyanodiacetylene |
| HCOCH3 | Acetaldehyde |
[edit] Eight atoms
| Molecule | Designation |
|---|---|
| H3CC2CN | Methylcyanoacetylene |
| H3CCOOH | Methyl formate |
| H2C6 | Hexapentaenylidene |
| H2CHC2HO | Propenal |
| H2COHCHO | Glycolaldehyde |
| HC7 |
[edit] Nine atoms
| Molecule | Designation |
|---|---|
| H3CC4H | Methyldiacetylene |
| (H3C)2O | Dimethyl Ether |
| H3CH2CCN | Propionitrile |
| H3CCONH2 | Acetamide |
| H3CH2COH | Ethyl Alcohol |
| HC8 | |
| HC6CN | Cyanotriacetylene |
[edit] Ten atoms
| Molecule | Designation |
|---|---|
| (H3C)2CO | Acetone |
| H3CH2CCHO | Propanal |
| H2NH2CCOOH | Glycine (Controversial) |
[edit] Eleven atoms
| Molecule | Designation |
|---|---|
| HC8CN | Cyanotetra-acetylene |
[edit] Twelve atoms
| Molecule | Designation |
|---|---|
| H3COC2H5 | trans-ethyl methyl ether |
| H6C6 | Benzene |
[edit] Thirteen atoms
| Molecule | Designation |
|---|---|
| HC10CN | Cyanodecapentayne |
[edit] See also
[edit] References
[edit] External links
- First negatively charged molecule discovered, (C6H-) in 2006
- Interstellar and circumstellar molecules by David Woon
- List of interstellar molecules by Andrew Markwick-Kemper
- List of interstellar and circumstellar molecules from NASA's Cosmic Ice Lab
- NRAO Interstellar and Circumstellar Molecules by Al Wootten
- Observations of interstellar molecules by Albert Nummelin
